Analysis
- user interaction
yes - max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/11/2026, 22:15
General
- Target HarmlessFileForCuties~.exe
- Size 3.1MB
- Sample261101-16feaazz6r
- SHA256 650ca51048cf80b76d0450b73b41a1e12b81d8c0f3288fe67204a0be985e1693
Malware Config
Extracted
-
quasar
-
1.4.1
-
EKmeows PC
-
66.49.164.6:4782
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c441358b-46c8-4db7-afc5-1e7f47ed45f9
-
encryption_key
EB6FC45C12B29F4F72A3B2BC3BE26DA23EBB534C
-
install_name
ntoskrnl.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
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reconnect_delay
3000
-
startup_key
Windows Security Health Service
-
subdirectory
Registries
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Drops file in System32 directory 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\HarmlessFileForCuties~.exe"C:\Users\Admin\AppData\Local\Temp\HarmlessFileForCuties~.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Windows Security Health Service" /sc ONLOGON /tr "C:\Windows\system32\Registries\ntoskrnl.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\Registries\ntoskrnl.exe"C:\Windows\system32\Registries\ntoskrnl.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Windows Security Health Service" /sc ONLOGON /tr "C:\Windows\system32\Registries\ntoskrnl.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\system32\Registries\ntoskrnl.exeC:\Windows\system32\Registries\ntoskrnl.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
ntoskrnl.exe
memory/848-27-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-22-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-32-0x000000001CB00000-0x000000001CBB2000-memory.dmp
memory/848-31-0x000000001B5A0000-0x000000001B5F0000-memory.dmp
memory/848-29-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-28-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-24-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-19-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-33-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-26-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-23-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-21-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-20-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-34-0x000000001D2F0000-0x000000001D818000-memory.dmp
memory/848-15-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-17-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-16-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/848-18-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-8-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-13-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-12-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-11-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-10-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-25-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-9-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-0-0x00007FF9B2B8F000-0x00007FF9B2B90000-memory.dmp
memory/3196-7-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-6-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-5-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-4-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-3-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-2-0x00007FF9B2A00000-0x00007FF9B33A4000-memory.dmp
memory/3196-1-0x0000000000CA0000-0x0000000000FC4000-memory.dmp